20386810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 39283200

約数和(自身を除く): 18896390

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 1759, 2318, 3518, 5795, 8795, 11590, 17590, 33421, 66842, 107299, 167105, 214598, 334210, 536495, 1072990, 2038681, 4077362, 10193405, 20386810]

約数ペア:

[(1, 20386810), (2, 10193405), (5, 4077362), (10, 2038681), (19, 1072990), (38, 536495), (61, 334210), (95, 214598), (122, 167105), (190, 107299), (305, 66842), (610, 33421), (1159, 17590), (1759, 11590), (2318, 8795), (3518, 5795)]